Expandable bag



FIG. 1 is a top plan view of one embodiment of an expandable bag showing our new design in a non-expanded position, the bottom view being a mirror image thereof;

FIG. 2 is a front, left upper perspective view thereof;

FIG. 3 is a front, left upper perspective view thereof taken from an alternative angle;

FIG. 4 is a front, upper perspective view in an expanded position;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a right side perspective view thereof; and,

FIG. 7 is a front left perspective view thereof. 

CLAIM The ornamental design for an expandable bag, as shown and described. 